Ruff, Jenifer: - USA Today and international bestselling author Jenifer Ruff writes dark and twisty mysteries and medical thrillers in three series: The Agent Victoria Heslin Series, The Brooke Walton Series, and The FBI & CDC Thriller Series. An avid fitness enthusiast and hiker with a background in epidemiology and public health, Jenifer lives in Charlotte, NC with her family and a pack of greyhounds. If she's not writing, she's probably out exploring with her dogs. Sign up for her Reader's Newsletter at Jenruff.com and never miss a new release.